Patent US3309677A successfully refreshed from Google Patents.
Patent US3286083A successfully refreshed from Google Patents.
US3286083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage system
Assignee: International Business Machines Corp
•
Filing: 1962-04-16
•
Granted: 1966-11-15
•
Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Nielsen Gunnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:12
CPC Classifications
G; G11; G11C; G11C13/00; G11C13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN INFORMATION STORAGE SYSTEM COMPRISING: A RECORD MEDIUM, HAVING A PLURALITY OF DATA STORAGE LOCATIONS THEREON; EACH OF SAID DATA STORAGE LOCATIONS HAVING A PLURALITY OF BIT POSITIONS; A BIT OF DIGITAL INFORMATION RECORDED IN OPTICAL FORM IN EACH OF SAID BIT POSITIONS; A CATHODE RAY TUBE HAVING A LUMINESCENT SURFACE AND ELECTRON BEAM PRODUCING MEANS FOR PRODUCING A POINT SOURCE OF LIGHT OF SAID LUMINESCENT SURFACE; OPTICAL MEANS FOR TRANSMITTING AN IMAGE OF SAID POINT SOURCE OF LIGHT TO SAID RECORD MEDIUM; SAID IMAGE OF SAID POINT SOURCE OF LIGHT HAVING A SIZE CLOSELY APPROXIMATING THAT OF ONE OF SAID BIT POSITIONS; A SOURCE OF INPUT ADDRESS SIGNALS REPRESENTING A SELECTED ONE OF SAID STORAGE LOCATIONS ON SAID RECORD MEDIUM; MEANS TO POSITION SAID POINT SOURCE OF LIGHT IN RESPONSE TO SAID INPUT ADDRES SIGNALS; ILLUMINATION RESPONSIVE MEANS DISPOSED IN TRANSDUCING RELATION WITH RESPECT TO SAID RECORD MEDIUM; AND SAID OPTICAL MEANS COMPRISING MEANS TO SWEEP SAID IMAGE ACROSS SAID SELECTED ONE OF SAID STORAGE LOCATIONS OF SEQUENTIALLY ILLUMINATE THE BIT POSITIONS THEREOF.
Claim 2
Dependent Claim
174 words
AN INFORMATION STORAGE SYSTEM COMPRISING: A RECORD MEDIUM, HAVING A PLURALITY OF DATA STORAGE LOCATIONS THEREON; EACH OF SAID DATA STORAGE LOCATIONS HAVING A PLURALITY OF BIT POSITIONS; A BIT OF DIGITAL INFORMATION RECORDED IN OPTICAL FORM IN EACH OF SAID BIT POSITIONS; A CATHODE RAY TUBE HAVING A LUMINESCENT SURFACE AND ELECTRON BEAM PRODUCING MEANS FOR PRODUCING A POINT SOURCE OF LIGHT OF SAID LUMINESCENT SURFACE; OPTICAL MEANS FOR TRANSMITTING AN IMAGE OF SAID POINT SOURCE OF LIGHT TO SAID RECORD MEDIUM; SAID IMAGE OF SAID POINT SOURCE OF LIGHT HAVING A SIZE CLOSELY APPROXIMATING THAT OF ONE OF SAID BIT POSITIONS; A SOURCE OF INPUT ADDRESS SIGNALS REPRESENTING A SELECTED ONE OF SAID STORAGE LOCATIONS ON SAID RECORD MEDIUM; MEANS TO POSITION SAID POINT SOURCE OF LIGHT IN RESPONSE TO SAID INPUT ADDRES SIGNALS; ILLUMINATION RESPONSIVE MEANS DISPOSED IN TRANSDUCING RELATION WITH RESPECT TO SAID RECORD MEDIUM; AND SAID OPTICAL MEANS COMPRISING MEANS TO SWEEP SAID IMAGE ACROSS SAID SELECTED ONE OF SAID STORAGE LOCATIONS OF SEQUENTIALLY ILLUMINATE THE BIT POSITIONS THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |